From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S964967AbaESQZb (ORCPT ); Mon, 19 May 2014 12:25:31 -0400 Received: from mga01.intel.com ([192.55.52.88]:15881 "EHLO mga01.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932576AbaESQZ1 (ORCPT ); Mon, 19 May 2014 12:25:27 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.98,868,1392192000"; d="scan'208";a="534296906" From: Jiang Liu To: Benjamin Herrenschmidt , Thomas Gleixner , Grant Likely , Ingo Molnar , "H. Peter Anvin" , "Rafael J. Wysocki" , Bjorn Helgaas , Randy Dunlap , Yinghai Lu , Len Brown , x86@kernel.org Cc: Jiang Liu , Konrad Rzeszutek Wilk , Andrew Morton , Tony Luck , Joerg Roedel , Paul Gortmaker , Greg Kroah-Hartman , linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, linux-acpi@vger.kernel.org, sfi-devel@simplefirmware.org Subject: [Patch Part1 V2 23/29] x86, SFI, irq: provide basic irqdomain support Date: Tue, 20 May 2014 00:23:07 +0800 Message-Id: <1400516594-11544-24-git-send-email-jiang.liu@linux.intel.com> X-Mailer: git-send-email 1.7.10.4 In-Reply-To: <1400516594-11544-1-git-send-email-jiang.liu@linux.intel.com> References: <1400516594-11544-1-git-send-email-jiang.liu@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Enhance SFI to provide basic support of irqdomain with identity mapping between GSIs and IRQs. Signed-off-by: Jiang Liu --- arch/x86/platform/sfi/sfi.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/arch/x86/platform/sfi/sfi.c b/arch/x86/platform/sfi/sfi.c index 3bd7cf642680..2c3522dfa05d 100644 --- a/arch/x86/platform/sfi/sfi.c +++ b/arch/x86/platform/sfi/sfi.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include @@ -70,6 +71,12 @@ static int __init sfi_parse_cpus(struct sfi_table_header *table) #endif /* CONFIG_X86_LOCAL_APIC */ #ifdef CONFIG_X86_IO_APIC +static struct irq_domain_ops sfi_ioapic_irqdomain_ops; + +static struct irq_domain *sfi_ioapic_create_irqdomain(int ioapic, void *arg) +{ + return mp_irqdomain_create(ioapic, NULL, &sfi_ioapic_irqdomain_ops); +} static int __init sfi_parse_ioapic(struct sfi_table_header *table) { @@ -82,7 +89,8 @@ static int __init sfi_parse_ioapic(struct sfi_table_header *table) pentry = (struct sfi_apic_table_entry *)sb->pentry; for (i = 0; i < num; i++) { - mp_register_ioapic(i, pentry->phys_addr, gsi_top, NULL, NULL); + mp_register_ioapic(i, pentry->phys_addr, gsi_top, + sfi_ioapic_create_irqdomain, NULL); pentry++; } -- 1.7.10.4